At the 'Map Editor' screen press LT + RT + LB + RB + X + Y + B + A + Click and hold Left Analog-Stick + Right Analog-Stick to display the French text 'J'avions vu une plane!'.

Unlock Evolution Story Mode:
Complete Instincts Story mode.


'Cheat Menu' Screen Codes
At the 'Main' go to the 'Cheat' menu or pause game play and enter the following codes to unlock the corresponding. When you enter the "GiveMeTheMaps" cheat it is permanently activated once you enter it and if you want to deactivate it you need to delete your 360 Profile. The other cheat codes are only active while you are playing, when you Shut off and reboot the consolve they will be deactivated.

Heal:
ImJackCarver

Infinite Adrenaline:
Bloodlust

Infinite Ammo:
UnleashHell

Enable Evolutions:
FeralAttack

Unlock ALL Maps:
GiveMeTheMaps

Unlock Evolution Game:
GiveMeItAll


Gamerscore Achievements
To get the allotted Gamerscore complete each achievement

Berserker - Gamerscore 25:
Accomplish 10 Multikills in any Multiplayer game mode.

Chaos Champion - Gamerscore 20:
Get ranked first 50 times in the Multiplayer Chaos mode.

Chaos Winner - Gamerscore 5:
Finish an online game in Chaos Mode ranked in first position.

Cleaner - Gamerscore 50:
Accomplish 1000 Total Kills in any Multiplayer game mode.

Explosives Maniac - Gamerscore 30:
Accomplish 200 Kills with Grenades in any Multiplayer game mode.

Feral Warrior - Gamerscore 30:
Accomplish 80 Feral Punch kills in any solo mode.

Gamer Addict - Gamerscore 40:
Finish the Instincts Story and the Evolution Story.

Gamer Nerd - Gamerscore 50:
Finish the Instincts Story and the Evolution Story in ALL difficulty levels.

Head Collector - Gamerscore 30:
Accomplish 100 headshots in any solo mode.

Instincts Devourer - Gamerscore 40:
Finish the Instincts Story in ALL difficulty levels.

Instincts Hunter - Gamerscore 15:
Finish the Instincts Story in Hunter difficulty level.

Instincts Predator - Gamerscore 30:
Finish the Instincts Story at Predator difficulty level.

Instincts Rookie - Gamerscore 10:
Finish the Instincts Story at Rookie difficulty level.

Multi Champion - Gamerscore 50:
Get ranked first 300 times in ALL Multiplayer game modes.

Multi Feral Warrior - Gamerscore 30:
Accomplish 150 Feral Punch kills in any Multiplayer game mode.

Multi Head Collector - Gamerscore 30:
Accomplish 300 headshots in any Multiplayer game mode.

Multi Stalker - Gamerscore 30:
Accomplish 100 Traps kills in any Multiplayer game mode.

Multiplayer Master - Gamerscore 30:
Get first place at least once in all online Game Modes.

Multiplayer Uber Geek - Gamerscore 70:
Play 80 hours in any of the Multiplayer Game Modes.

Predator Champion - Gamerscore 20:
Get ranked first 50 times in the Multiplayer Predator mode.

Predator Winner - Gamerscore 5:
Finish a multiplayer game in Predator Mode ranked in first position.

Road Demon - Gamerscore 30:
Accomplish 100 Kills by Road Kills in any Multiplayer game mode.

Seek n' Secure Champion - Gamerscore 20:
Get ranked first 50 times in the Multiplayer Seek n' Secure Mode.

Seek n' Secure Winner - Gamerscore 5:
Finish a game while ranked in first place in an online Seek n' Secure match.

Shadow Hunter - Gamerscore 30:
Accomplish 40 Stealth kills in any solo mode.

Stalker - Gamerscore 30:
Accomplish 50 Trap kills in any solo mode.

Steal the Sample Champion - Gamerscore 20:
Get ranked first 50 times in the Multiplayer Steal the Sample Mode.

Steal the Sample Winner - Gamerscore 5:
Finish a game while ranked in first place in a multiplayer Steal the Sample match.

Team Chaos Champion - Gamerscore 20:
Get ranked first 50 times in the Multiplayer Team Chaos Mode.

Team Chaos Winner - Gamerscore 5:
Finish a game while ranked in first place in an online Team Chaos match.

Treasure Raider - Gamerscore 100:
Find ALL of Doctor Krieger's lost research dispatched on every map from both Stories.